A new synthesis of substituted 2-hydroxy-1-naphthoic acid esters and amides 4 by oxidation of 5-aryl-3-oxopentanoic acid esters or amides 1 with manganese(III) acetate or cerium(IV) ammonium nitrate has been developed, based on the intramolecular homolytic substitution by α-dicarbonylalkyl radicals generated from high-valent metal β-dicarbonyl complexes
Synthesis of 2-hydroxy-1-naphthoic acid derivatives by oxidative cyclization of esters of 5-aryl-3-oxopentanoic acid by manganese(III) and cerium(IV) salts
CITTERIO, ATTILIO;SEBASTIANO, ROBERTO;
1990-01-01
Abstract
A new synthesis of substituted 2-hydroxy-1-naphthoic acid esters and amides 4 by oxidation of 5-aryl-3-oxopentanoic acid esters or amides 1 with manganese(III) acetate or cerium(IV) ammonium nitrate has been developed, based on the intramolecular homolytic substitution by α-dicarbonylalkyl radicals generated from high-valent metal β-dicarbonyl complexesFile in questo prodotto:
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